环境如下：
[root@master ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 5.5 (Tikanga) [root@master ~]# uname -a Linux master 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux [root@master ~]#
logd is already running
Starting High-Availability services:
2013/07/15_16:31:45 INFO: Resource is stopped
2013/07/15_16:31:45 INFO: Resource is stopped
[FAILED]
heartbeat: udpport setting must precede media statementsheartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid user id name [hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Bad uid list [hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid apiauth directive [ipfail uid=hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 info: Syntax: apiauth client [uid=uidlist] [gid=gidlist]
heartbeat[4742]: 2013/07/15_16:31:45 info: Where uidlist is a comma-separated list of uids,
heartbeat[4742]: 2013/07/15_16:31:45 info: and gidlist is a comma-separated list of gids
heartbeat[4742]: 2013/07/15_16:31:45 info: One or the other must be specified.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid user id name [hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Bad uid list [hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid apiauth directive [ccm uid=hacluster]
heartbeat[4742]: 2013/07/15_16:31:45 info: Syntax: apiauth client [uid=uidlist] [gid=gidlist]
heartbeat[4742]: 2013/07/15_16:31:45 info: Where uidlist is a comma-separated list of uids,
heartbeat[4742]: 2013/07/15_16:31:45 info: and gidlist is a comma-separated list of gids
heartbeat[4742]: 2013/07/15_16:31:45 info: One or the other must be specified.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid group name [haclient]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Bad gid list [haclient]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid apiauth directive [ping gid=haclient]
heartbeat[4742]: 2013/07/15_16:31:45 info: Syntax: apiauth client [uid=uidlist] [gid=gidlist]
heartbeat[4742]: 2013/07/15_16:31:45 info: Where uidlist is a comma-separated list of uids,
heartbeat[4742]: 2013/07/15_16:31:45 info: and gidlist is a comma-separated list of gids
heartbeat[4742]: 2013/07/15_16:31:45 info: One or the other must be specified.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid group name [haclient]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Bad gid list [haclient]
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Invalid apiauth directive [anon gid=haclient]
heartbeat[4742]: 2013/07/15_16:31:45 info: Syntax: apiauth client [uid=uidlist] [gid=gidlist]
heartbeat[4742]: 2013/07/15_16:31:45 info: Where uidlist is a comma-separated list of uids,
heartbeat[4742]: 2013/07/15_16:31:45 info: and gidlist is a comma-separated list of gids
heartbeat[4742]: 2013/07/15_16:31:45 info: One or the other must be specified.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Bad permissions on keyfile [/opt/heartbeat-2.1.3/etc/ha.d/authkeys], 600 recommended.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Authentication configuration error.
heartbeat[4742]: 2013/07/15_16:31:45 ERROR: Configuration error, heartbeat not started.
看不懂什么意思，然后google查，无功而返，仔细查看原来的安装指导，发现里面有提到authkeys配置文件权限必须为600，
灵光一闪：难道是因为这个？但怎么看都不像啊。。。。。。
虽然怀疑，但还是抱着死马当活马医的想法，尝试了一下，oh my god， 果然解决了！
[root@master ha.d]# service heartbeat start
logd is already running
Starting High-Availability services:
2013/07/15_16:33:41 INFO: Resource is stopped
2013/07/15_16:33:41 INFO: Resource is stopped
[ OK ]
至于原因，没有时间详细研究，有兴趣的同学可以试试。
